Fan with vibration notification
US7866941B2 · kind B2 · utility
8Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2007 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Nov 10, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D27/001
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan comprises a ventilation device and a vibration device. The ventilation device comprises a housing, an impeller disposed in the housing and rotating with respect to a rotating center, and a driving mechanism disposed in the housing and connected to the impeller to rotate the impeller. The vibration device is disposed on the impeller and comprises at least one fixed element, at least one movable element, and at least one track. The fixed element is fixed to the track, and the movable element is slidably disposed on the track. When the movable element slides on the track, a vibration notification is generated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.